12-30-2008 08:43 AM
Hello,
I am running some testing for VCS 5.0 with some EMC gear, namely the Symmetrix and SRDF. One feature that was interesting was the global cluster firedrill.
I created a silly test app that just writes a file every few seconds onto a Sym-device-mounted directory which is replicated using SRDF/S to the remote site. The application service group looks something like this:
testapp -> mount-point -> SRDF
Everything's set up fine in that failing over and whatnot works. I have synchronized BCV devices and is ready to set up a firedrill. When I try hawizard firedrill, The GUI pops up, but won't let me proceed when I try to select the application service group - "This wizard must be run at target site". But I am on the target site! In fact, I get this no matter which ever side I'm on.
Next, I try fdsetup-srdf. This gets far enough that it proceeds to start creating the firedrill group, but:
Creating firedrill group
# /opt/VRTSvcs/bin/hagrp -add testapp2site_fd
# /opt/VRTSvcs/bin/hagrp -modify testapp2site_fd Parallel 0
# /opt/VRTSvcs/bin/hagrp -modify testapp2site_fd SystemList licod207 0
# /opt/VRTSvcs/bin/hagrp -modify testapp2site_fd AutoFailOver 0
# /opt/VRTSvcs/bin/hagrp -link testapp2site_fd testapp2site offline local
# /opt/VRTSvcs/bin/hares -add SRDFSnap-SRDF SRDFSnap testapp2site_fd >/dev/null
# /opt/VRTSvcs/bin/hares -modify SRDFSnap-SRDF TargetResName SRDF
# /opt/VRTSvcs/bin/hares -modify SRDFSnap-SRDF IsCompositeGroup 1
# /opt/VRTSvcs/bin/hares -modify SRDFSnap-SRDF MountSnapshot 1
# /opt/VRTSvcs/bin/hares -modify SRDFSnap-SRDF UseSnapshot 1
# /opt/VRTSvcs/bin/hares -modify SRDFSnap-SRDF RequireSnapshot 1
# /opt/VRTSvcs/bin/hagrp -enableresources testapp2site_fd
# /opt/VRTSvcs/bin/hagrp -modify testapp2site_fd UserStrGlobal FD:testapp2site
# /opt/VRTSvcs/bin/hares -link mount-2site_fd SRDFSnap-SRDF
/opt/VRTSvcs/bin/hares -link mount-2site_fd SRDFSnap-SRDF
command failed:
VCS WARNING V-16-1-10240 Attempt to modify non-existent resource
return code 1
Please correct error and run wizard again
It looks like only the SRDFSnap-SRDF resource is created. It tries to modify mount-2site_fd before a corresponding hares -add command.
I am fairly unfamiliar with VCS, so I'm having a hard time troubleshooting this. Does anyone have any ideas?
Thanks!!
12-30-2008 08:47 AM
12-31-2008 11:23 PM
Hi,
fdsetup-srdf script is expecting a Diskgroup resource in between Mount (mount-2site_fd) & SRDFSnap (SRDFSnap-SRDF) resources. You should add a diskgroup resource in the original testapp (in between mount-point & SRDF resource) & run the fdsetup-srdf again.
Thanks,
Ashish Gawali
VCS Engg
01-02-2009 07:53 AM
01-05-2009 12:17 AM
01-05-2009 06:38 AM
Fire Drill is not currently supported in the VCS SRDF/Star agent.
Regards,
Hugh